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#define _LARGEFILE64_SOURCE
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <time.h>
#include <regex.h>
#include <string.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "mt.h"
#include "error.h"
#include "utils.h"
#include "mem.h"
#include "selbox.h"
#include "ui.h"
#include "help.h"
#include "globals.h"
void init_history(history_t *ph)
{
}
void load_history(history_t *ph)
{
if (ph -> history == NULL)
{
int array_in_bytes = sizeof(char *) * ph -> history_size;
ph -> history = (char **)mymalloc(array_in_bytes, __FILE__, __PRETTY_FUNCTION__, __LINE__);
memset(ph -> history, 0x00, array_in_bytes);
if (file_exist(ph -> history_file) == 0)
{
int loop;
FILE *fh = fopen(ph -> history_file, "r");
if (!fh)
error_popup("Load history", -1, "Failed to open history file %s.\n", ph -> history_file);
for(loop=0; loop<ph -> history_size; loop++)
{
char *lf;
char buffer[HISTORY_IO_BUFFER];
if (!fgets(buffer, sizeof(buffer), fh))
break;
lf = strchr(buffer, '\n');
if (lf)
*lf = 0x00;
(ph -> history)[loop] = mystrdup(buffer, __FILE__, __PRETTY_FUNCTION__, __LINE__);
}
fclose(fh);
}
}
}
int history_find_null_entry(history_t *ph)
{
int loop;
for(loop=0; loop<ph -> history_size; loop++)
{
if (!(ph -> history)[loop])
{
return loop;
}
}
return -1;
}
void save_history(history_t *ph)
{
int loop;
int last_entry = history_find_null_entry(ph);
int n_entries = last_entry == -1 ? ph -> history_size : last_entry;
FILE *fh = fopen(ph -> history_file, "w+");
if (!fh)
{
error_popup("Error saving history", -1, "Error creating/opening file %s: %s", ph -> history_file, strerror(errno));
return;
}
for(loop=0; loop<n_entries; loop++)
{
fprintf(fh, "%s\n", (ph -> history)[loop]);
}
fclose(fh);
}
void history_add(history_t *ph, char *string)
{
if (ph -> history_size > 0)
{
int loop;
int found = -1;
load_history(ph);
/* bail out if this string is already in the history */
for(loop=0; loop<ph -> history_size; loop++)
{
if ((ph -> history)[loop] != NULL && strcmp((ph -> history)[loop], string) == 0)
return ;
}
/* find free spot */
found = history_find_null_entry(ph);
/* when no free spot was found, free-up an entry */
if (found == -1)
{
myfree((ph -> history)[ph -> history_size - 1]);
memmove(&(ph -> history)[1], &(ph -> history)[0], sizeof(char *) * (ph -> history_size - 1));
found = 0;
}
(ph -> history)[found] = mystrdup(string, __FILE__, __PRETTY_FUNCTION__, __LINE__);
save_history(ph);
}
}
char * search_history(history_t *ph, char *search_string)
{
if (ph -> history_size > 0)
{
int sel_index, n_entries, free_entry;
load_history(ph);
free_entry = history_find_null_entry(ph);
n_entries = free_entry == -1 ? ph -> history_size : free_entry;
if (n_entries > 0)
{
sel_index = selection_box((void **)ph -> history, NULL, n_entries, SEL_HISTORY, HELP_HISTORY, NULL);
if (sel_index >= 0)
{
return mystrdup((ph -> history)[sel_index], __FILE__, __PRETTY_FUNCTION__, __LINE__);
}
}
else
error_popup("Search history", -1, "The history list is empty.");
}
return NULL;
}
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